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Finding the Third Proportional to 5,718,731 and 12,588,917

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Solution

The third proportional to 5,718,731 and 12,588,917 is: 27,712,587.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718,731 : 12,588,917 = 12,588,917 : x
  2. Step 2: Convert to fraction form
    5,718,731/12,588,917 = 12,588,917/x
  3. Step 3: Cross multiply
    5,718,731x = 12,588,917 × 12,588,917
  4. Step 4: Simplify right side
    5,718,731x = 158,480,831,232,889
  5. Step 5: Solve for x
    x = 158,480,831,232,889/5,718,731
  6. Step 6: Final answer
    x = 27,712,587.15

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.